Due to weather the museum will open at noon on Dec. 14 and Santa's Magical Morning has been canceled. We will continue to monitor conditions and post updates here.
The gyaru (ギャル) subculture emerged in the 1990s; a fashion style originating among Japanese girls. The term "gyaru" literally means "gal." The gyaru style involves having a tan, bleached hair (often dyed), and dark makeup; it emphasizes tanned skin, which contrasted sharply with traditional Japanese beauty standards.
To further assist; more context could help.
The word "Iribetari" does not appear to have widely known meaning; but a likely assumption might point towards Japanese 'Gyaru', though unconfirmed.